package org.shj.pattern.factorymethod;

public abstract class Operation {
	
	protected double numA;
	protected double numB;

	public abstract double getResult();

	public void setNumA(double numA) {
		this.numA = numA;
	}

	public void setNumB(double numB) {
		this.numB = numB;
	}
	
	
}
